/*
 *  Copyright 2008-2010 NVIDIA Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */


/*! \file unique.h
 *  \brief Device implementation of unique()
 */

#pragma once

#include <thrust/detail/device/generic/unique.h>

namespace thrust {
namespace detail {
namespace device {

template < typename ForwardIterator,
         typename BinaryPredicate >
ForwardIterator unique(ForwardIterator first,
                       ForwardIterator last,
                       BinaryPredicate binary_pred) {
    return thrust::detail::device::generic::unique(first, last, binary_pred);
}

template < typename InputIterator,
         typename OutputIterator,
         typename BinaryPredicate >
OutputIterator unique_copy(InputIterator first,
                           InputIterator last,
                           OutputIterator output,
                           BinaryPredicate binary_pred) {
    return thrust::detail::device::generic::unique_copy(first, last, output, binary_pred);
}

template < typename ForwardIterator1,
         typename ForwardIterator2,
         typename BinaryPredicate >
thrust::pair<ForwardIterator1, ForwardIterator2>
unique_by_key(ForwardIterator1 keys_first,
              ForwardIterator1 keys_last,
              ForwardIterator2 values_first,
              BinaryPredicate binary_pred) {
    return thrust::detail::device::generic::unique_by_key
           (keys_first, keys_last, values_first, binary_pred);
}

template < typename InputIterator1,
         typename InputIterator2,
         typename OutputIterator1,
         typename OutputIterator2,
         typename BinaryPredicate >
thrust::pair<OutputIterator1, OutputIterator2>
unique_copy_by_key(InputIterator1 keys_first,
                   InputIterator1 keys_last,
                   InputIterator2 values_first,
                   OutputIterator1 keys_output,
                   OutputIterator2 values_output,
                   BinaryPredicate binary_pred) {
    return thrust::detail::device::generic::unique_copy_by_key
           (keys_first, keys_last, values_first, keys_output, values_output, binary_pred);
}

} // end namespace device
} // end namespace detail
} // end namespace thrust

